How to clear cookies in php

How to clear cookies in php: Just make sure that the cookie expiration date is in the past, so that you can trigger the browser's deletion mechanism to delete it, such as [setcookie("TestCookie", "", time() - 3600);].

#If you want to delete a cookie, you need to ensure that its expiration date is in the past. Only in this way can the browser's deletion mechanism be triggered.

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Example:

Delete the set cookies:

<?php
//将过期时间设为一小时前
setcookie("TestCookie", "", time() - 3600);
setcookie("TestCookie", "", time() - 3600, "/~rasmus/", ".utoronto.ca", 1);
?>

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